Nfpa 20 standard for the installation of stationary pumps for fire protection requires that the fire pump driver controller water supply and power supply shall be protected against possible interruption of service through damage caused by explosion fire flood earthquake rodents insects windstorm freezing vandalism and other adverse conditions.
Fire pump room size australia.
Where fire pumps are installed in a series butterfly valves are not permitted to be installed between the pumps.
When designing or installing electrical power supplies for fire pumps and their accessories you must apply special rules as listed in nfpa 70 the national electrical code nec and the standard for centrifugal fire pumps cfp nfpa 20.
A fire pump bypass is required on all fire pumps where the suction supply is of sufficient pressure to be of material value without the pump nfpa 20 2013 section 4 14 4.
Designing electrical systems for fire pumps since fire pumps are considered life safety equipment they must be reliable.
Fire and security consulting services fscs is frequently consulted on the design requirements for fire pump rooms.
Pump set depending on the size of the building.
Fcsc considers that the current expertise from both services consultants and contractors leaves a lot to be desired compared with.
In summary a fire pump is a critical life safety equipment item in a building.
This bypass is to be as least as large as the required fire pump discharge pipe.